While you’d expect to find sunken ships at the bottom of the sea, Wisconsin-based Coastguard captain Brandi Mueller gives us a glimpse of an uncommon underwater inhabitant: perfectly-intact WWII airplanes.

Near the Marshall Islands, there’s an aircraft graveyard that serves as a permanent home for more than 150 planes. These planes are not there as a result of battle damage from the Japanese, rather, they were abandoned in perfect condition – because it was more expensive to bring...